[Xci-devel] Lenovo T400 problem

[Tom Rotenberg <tom.rotenberg@xxxxxxxxx>]

Hi all,
Environment:
I'm trying to run T400 with USB and WLAN assigned to my HVM (Windows
XP). I'm using XEN 3.4 19696 changeset.

Facts:
Running both of them together stuck my machine in Windows splash
screen with following output:

(XEN) [VT-D]iommu.c:694: iommu_fault:DMA Read: 0:3.7 addr 6cb6000
REASON 2 iommu->reg = ffff828bfff57000
(XEN) print_vtd_entries: iommu = ffff83013bdf5f90 bdf = 0:3:7 gmfn = 6cb6
(XEN)     root_entry = ffff83013bdcc000
(XEN)     root_entry[0] = 137e44001
(XEN)     context = ffff830137e44000
(XEN)     context[1f] = 0_0
(XEN)     ctxt_entry[1f] not present
(XEN) domctl.c:910:d0 ioport_map:remove f_gport=13c0 f_mport=1c00 np=20
(XEN) domctl.c:886:d0 ioport_map:add f_gport=13c0 f_mport=1c00 np=20
(XEN) domctl.c:910:d0 ioport_map:remove f_gport=1320 f_mport=1860 np=20
(XEN) domctl.c:886:d0 ioport_map:add f_gport=1320 f_mport=1860 np=20
(XEN) domctl.c:910:d0 ioport_map:remove f_gport=13a0 f_mport=18e0 np=20
(XEN) domctl.c:886:d0 ioport_map:add f_gport=13a0 f_mport=18e0 np=20
(XEN) domctl.c:910:d0 ioport_map:remove f_gport=1340 f_mport=1880 np=20
(XEN) domctl.c:886:d0 ioport_map:add f_gport=1340 f_mport=1880 np=20
(XEN) domctl.c:910:d0 ioport_map:remove f_gport=1380 f_mport=18c0 np=20
(XEN) domctl.c:886:d0 ioport_map:add f_gport=1380 f_mport=18c0 np=20
(XEN) domctl.c:910:d0 ioport_map:remove f_gport=1360 f_mport=18a0 np=20
(XEN) domctl.c:886:d0 ioport_map:add f_gport=1360 f_mport=18a0 np=20
(XEN) domctl.c:845:d0 memory_map:remove: gfn=c0004 mfn=fc220 nr_mfns=4
(XEN) domctl.c:835:d0 memory_map:add: gfn=c0004 mfn=fc220 nr_mfns=4
(XEN) domctl.c:845:d0 memory_map:remove: gfn=c0002 mfn=fc227 nr_mfns=1
(XEN) domctl.c:835:d0 memory_map:add: gfn=c0002 mfn=fc227 nr_mfns=1

[  111.912950] ACPI: EC: missing write data confirmation, don't expect
it any longer.
[  117.420570] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
[  117.420675] ata1.00: cmd ca/00:08:57:8e:7d/00:00:00:00:00/e0 tag 0
dma 4096 out
[  117.420676]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask
0x4 (timeout)
[  117.420909] ata1.00: status: { DRDY }
[  117.421007] ata1: soft resetting link
[  117.424560] ata2.00: qc timeout (cmd 0xa0)
[  117.424659] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
[  117.424757] ata2.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
[  117.424757]          cdb 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
[  117.424758]          res 51/24:03:00:00:00/00:00:00:00:00/a0 Emask
0x5 (timeout)
[  117.425063] ata2.00: status: { DRDY ERR }
[  117.425159] ata2: soft resetting link
[  117.756622] e1000e: peth0 NIC Link is Down
[  117.771953] eth0: port 1(peth0) entering disabled state
[  117.916846] ata2.00: configured for UDMA/100
[  117.916955] ata2: EH complete
[  120.721163] e1000e: peth0 NIC Link is Up 1000 Mbps Full Duplex,
Flow Control: None
[  120.724795] eth0: port 1(peth0) entering learning state
[  120.728294] eth0: topology change detected, propagating
[  120.728386] eth0: port 1(peth0) entering forwarding state

ACPI or SATA errors can vary(sometimes I get only one of them before
the machine dies on me...).

USB and WLAN are sharing the same IRQ line(17) and I'm running with
XEN MSI disabled. Another device on the same line is Audio. But this
sharing doesn't cause me problems.

Have someone encountered this or similar issues?
 Tom.

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